136621555046 has 4 divisors (see below), whose sum is σ = 204932332572. Its totient is φ = 68310777522.

The previous prime is 136621555013. The next prime is 136621555051. The reversal of 136621555046 is 640555126631.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 136621554988 and 136621555006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34155388760 + ... + 34155388763.

It is an arithmetic number, because the mean of its divisors is an integer number (51233083143).

Almost surely, 2^136621555046 is an apocalyptic number.

136621555046 is a deficient number, since it is larger than the sum of its proper divisors (68310777526).

136621555046 is an equidigital number, since it uses as much as digits as its factorization.

136621555046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68310777525.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 136621555046 in words is "one hundred thirty-six billion, six hundred twenty-one million, five hundred fifty-five thousand, forty-six".